package com.d0330;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;

public class TCPServer {
    public static void main(String[] args) {
        ServerSocket serverSocket=null;
        try {
            serverSocket=new ServerSocket(4700);
            System.out.println("服务器启动成功");
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("服务器启动失败");
        }

        //调用accept的方法，可以接受客户端请求，并返回当前的socket对象
        Socket socket=null;
        try {
            socket=serverSocket.accept();
        } catch (IOException e) {
            e.printStackTrace();
        }
        String line;
        try {
            //接受客户端输入内容
            DataInputStream is=new DataInputStream(socket.getInputStream());
            //输出内容到客户端
            DataOutputStream os=new DataOutputStream(socket.getOutputStream());
            System.out.println("Client:"+is.readUTF());//输出客户端发送的内容
            BufferedReader br=new BufferedReader(new InputStreamReader(System.in));//磁盘输入内容
            line=br.readLine();
            os.writeUTF(line);//向客户端写入数据
            os.flush();//把缓存内容提交
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}